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material are the property of its owner.

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Jameco Part Number 889305

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August 2006 Rev. 13 1/47

47

L7800 series

Positive voltage regulators

Feature summary

Output current to 1.5A

Output voltages of 5; 5.2; 6; 8; 8.5; 9; 10; 12;15; 18; 24V

Thermal overload protection

Short circuit protection

Output transition SOA protection

Description

The L7800 series of three-terminal positiveregulators is available in TO-220, TO-220FP, TO-3and D2PAK packages and several fixed outputvoltages, making it useful in a wide range ofapplications. These regulators can provide localon-card regulation, eliminating the distributionproblems associated with single point regulation.Each type employs internal current limiting,thermal shut-down and safe area protection,making it essentially indestructible. If adequateheat sinking is provided, they can deliver over 1Aoutput current. Although designed

primarily as fixed voltage regulators, these

devices can be used with external components toobtain adjustable voltage and currents.

TO-220FP

D2PAK

TO-220

TO-3

www.st.com

Schematic diagram

http://www.st.com/http://www.st.com/

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L7800 series

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Contents

1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

7 Order code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

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L7800 series Pin configuration

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1 Pin configuration

Figure 1. Pin connections (top view)

TO220FP

TO-3

TO-220

D2PAK (Any Type)

Figure 2. Schematic diagram

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Maximum ratings L7800 series

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2 Maximum ratings

Note: Absolute Maximum Ratings are those values beyond which damage to the device mayoccur. Functional operation under these condition is not implied

Table 1. Absolute maximum ratings

Symbol Parameter Value Unit

VI DC Input voltagefor VO= 5 to 18V 35

Vfor VO= 20, 24V 40

IO Output current Internally Limited

PD Power dissipation Internally Limited

TSTG Storage temperature range -65 to 150 C

TOP Operating junction temperature rangefor L7800 -55 to 150

Cfor L7800C 0 to 150

Table 2. Thermal Data

Symbol Parameter D2PAK TO-220 TO-220FP TO-3 Unit

RthJC Thermal resistance junction-case 3 5 5 4 C/W

RthJA Thermal resistance junction-ambient 62.5 50 60 35 C/W

Figure 3. Application circuits

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L7800 series Test circuits

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3 Test circuits

Figure 4. DC Parameter

Figure 5. Load regulation

Figure 6. Ripple rejection

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Electrical characteristics L7800 series

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4 Electrical characteristics

Table 3. Electrical characteristics of L7805 (refer to the test circuits, TJ= -55 to 150C, VI = 10V, IO

= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 4.8 5 5.2 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 8 to 20V

4.65 5 5.35 V

VO(1)

1. Load and line regulation are specified at constant junction temperature. Changes in VOdue to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

Line regulationVI= 7 to 25V, TJ= 25C 3 50

mVVI= 8 to 12V, TJ= 25C 1 25

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 100mV

IO= 250 to 750mA, TJ= 25C 25

Id Quiescent current TJ= 25C 6 mA

Id Quiescent current changeIO= 5mA to 1A 0.5

mAVI= 8 to 25 V 0.8

VO/T Output voltage drift IO= 5mA 0.6 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 40 V/VO

SVR Supply voltage rejection VI= 8 to 18V, f = 120Hz 68 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 2.5 V

RO Output resistance f = 1 KHz 17 m

Isc Short circuit current VI= 35V, TJ= 25C 0.75 1.2 A

Iscp Short circuit peak current TJ= 25C 1.3 2.2 3.3 A

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Table 4. Electrical characteristics of L7806 (refer to the test circuits, TJ= -55 to 150C, VI = 11V, IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 5.75 6 6.25 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 9 to 21V

5.65 6 6.35 V

VO(1) Line regulation

VI= 8 to 25V, TJ= 25C 60mV

VI= 9 to 13V, TJ= 25C 30

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 100mV

IO= 250 to 750mA, TJ= 25C 30

Id Quiescent current TJ= 25C 6 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 9 to 25V 0.8

VO/T Output voltage drift IO= 5mA 0.7 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 40 V/VO

SVR Supply voltage rejection VI= 9 to 19V, f = 120Hz 65 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 2.5 V

RO Output resistance f = 1 KHz 19 m

Isc Short circuit current VI= 35V, TJ= 25C 0.75 1.2 A

Iscp Short circuit peak current TJ= 25C 1.3 2.2 3.3 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 5. Electrical characteristics of L7808 (refer to the test circuits, TJ= -55 to 150C, VI = 14V, IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 7.7 8 8.3 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 11.5 to 23V

7.6 8 8.4 V

VO(1) Line regulation

VI= 10.5 to 25V, TJ= 25C 80mV

VI= 11 to 17V, TJ= 25C 40

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 100mV

IO= 250 to 750mA, TJ= 25C 40

Id Quiescent current TJ= 25C 6 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 11.5 to 25V 0.8

VO/T Output voltage drift IO= 5mA 1 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 40 V/VO

SVR Supply voltage rejection VI= 11.5 to 21.5V, f = 120Hz 62 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 2.5 V

RO Output resistance f = 1 KHz 16 m

Isc Short circuit current VI= 35V, TJ= 25C 0.75 1.2 A

Iscp Short circuit peak current TJ= 25C 1.3 2.2 3.3 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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L7800 series Electrical characteristics

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Table 6. Electrical characteristics of L7812 (refer to the test circuits, TJ= -55 to 150C, VI = 19V, IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 11.5 12 12.5 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 15.5 to 27V

11.4 12 12.6 V

VO(1) Line regulation

VI= 14.5 to 30V, TJ= 25C 120mV

VI= 16 to 22V, TJ= 25C 60

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 100mV

IO= 250 to 750mA, TJ= 25C 60

Id Quiescent current TJ= 25C 6 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 15 to 30V 0.8

VO/T Output voltage drift IO= 5mA 1.5 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 40 V/VO

SVR Supply voltage rejection VI= 15 to 25V, f = 120Hz 61 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 2.5 V

RO Output resistance f = 1 KHz 18 m

Isc Short circuit current VI= 35V, TJ= 25C 0.75 1.2 A

Iscp Short circuit peak current TJ= 25C 1.3 2.2 3.3 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 7. Electrical characteristics of L7815 (refer to the test circuits, TJ= -55 to 150C, VI = 23V, IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 14.4 15 15.6 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 18.5 to 30V

14.25 15 15.75 V

VO(1) Line regulation

VI= 17.5 to 30V, TJ= 25C 150mV

VI= 20 to 26V, TJ= 25C 75

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 150mV

IO= 250 to 750mA, TJ= 25C 75

Id Quiescent current TJ= 25C 6 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 18.5 to 30V 0.8

VO/T Output voltage drift IO= 5mA 1.8 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 40 V/VO

SVR Supply voltage rejection VI= 18.5 to 28.5V, f = 120Hz 60 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 2.5 V

RO Output resistance f = 1 KHz 19 m

Isc Short circuit current VI= 35V, TJ= 25C 0.75 1.2 A

Iscp Short circuit peak current TJ= 25C 1.3 2.2 3.3 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 8. Electrical characteristics of L7818 (refer to the test circuits, TJ= -55 to 150C, VI = 26V, IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 17.3 18 18.7 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 22 to 33V

17.1 18 18.9 V

VO(1) Line regulation

VI= 21 to 33V, TJ= 25C 180mV

VI= 24 to 30V, TJ= 25C 90

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 180mV

IO= 250 to 750mA, TJ= 25C 90

Id Quiescent current TJ= 25C 6 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 22 to 33V 0.8

VO/T Output voltage drift IO= 5mA 2.3 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 40 V/VO

SVR Supply voltage rejection VI= 22 to 32V, f = 120Hz 59 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 2.5 V

RO Output resistance f = 1 KHz 22 m

Isc Short circuit current VI= 35V, TJ= 25C 0.75 1.2 A

Iscp Short circuit peak current TJ= 25C 1.3 2.2 3.3 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 9. Electrical characteristics of L7820 (refer to the test circuits, TJ= -55 to 150C, VI = 28V, IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 19.2 20 20.8 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 24 to 35V

19 20 21 V

VO(1) Line regulation

VI= 22.5 to 35V, TJ= 25C 200mV

VI= 26 to 32V, TJ= 25C 100

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 200mV

IO= 250 to 750mA, TJ= 25C 100

Id Quiescent current TJ= 25C 6 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 24 to 35V 0.8

VO/T Output voltage drift IO= 5mA 2.5 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 40 V/VO

SVR Supply voltage rejection VI= 24 to 35V, f = 120Hz 58 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 2.5 V

RO Output resistance f = 1 KHz 24 m

Isc Short circuit current VI= 35V, TJ= 25C 0.75 1.2 A

Iscp Short circuit peak current TJ= 25C 1.3 2.2 3.3 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 10. Electrical characteristics of L7824 (refer to the test circuits, TJ= -55 to 150C, VI = 33V, IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 23 24 25 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 28 to 38V

22.8 24 25.2 V

VO(1) Line regulation

VI= 27 to 38V, TJ= 25C 240mV

VI= 30 to 36V, TJ= 25C 120

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 240mV

IO= 250 to 750mA, TJ= 25C 120

Id Quiescent current TJ= 25C 6 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 28 to 38V 0.8

VO/T Output voltage drift IO= 5mA 3 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 40 V/VO

SVR Supply voltage rejection VI= 28 to 38V, f = 120Hz 56 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 2.5 V

RO Output resistance f = 1 KHz 28 m

Isc Short circuit current VI= 35V, TJ= 25C 0.75 1.2 A

Iscp Short circuit peak current TJ= 25C 1.3 2.2 3.3 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 11. Electrical characteristics of L7805C (refer to the test circuits, TJ= -55 to 150C, VI = 10V,

IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 4.8 5 5.2 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 7 to 20V

4.75 5 5.25 V

VO(1) Line regulation

VI= 7 to 25V, TJ= 25C 3 100mV

VI= 8 to 12V, TJ= 25C 1 50

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 100mV

IO= 250 to 750mA, TJ= 25C 50

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 7 to 25 V 0.8

VO/T Output voltage drift IO= 5mA -1.1 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 40 V/VO

SVR Supply voltage rejection VI= 8 to 18V, f = 120Hz 62 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 17 m

Isc Short circuit current VI= 35V, TJ= 25C 0.75 A

Iscp Short circuit peak current TJ= 25C 2.2 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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L7800 series Electrical characteristics

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Table 12. Electrical characteristics of L7852C (refer to the test circuits, TJ= -55 to 150C, VI = 10V,

IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 5.0 5.2 5.4 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 8 to 20V

4.95 5.2 5.45 V

VO(1) Line regulation

VI= 7 to 25V, TJ= 25C 3 105mV

VI= 8 to 12V, TJ= 25C 1 52

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 105mV

IO= 250 to 750mA, TJ= 25C 52

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 7 to 25 V 1.3

VO/T Output voltage drift IO= 5mA -1 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 42 V/VO

SVR Supply voltage rejection VI= 8 to 18V, f = 120Hz 61 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 17 m

Isc Short circuit current VI= 35V, TJ= 25C 0.75 A

Iscp Short circuit peak current TJ= 25C 2.2 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 13. Electrical characteristics of L7806C (refer to the test circuits, TJ= -55 to 150C, VI = 11V,IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 5.75 6 6.25 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 8 to 21V

5.7 6 6.3 V

VO(1) Line regulation

VI= 8 to 25V, TJ= 25C 120mV

VI= 9 to 13V, TJ= 25C 60

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 120mV

IO= 250 to 750mA, TJ= 25C 60

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 8 to 25V 1.3

VO/T Output voltage drift IO= 5mA -0.8 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 45 V/VO

SVR Supply voltage rejection VI= 9 to 19V, f = 120Hz 59 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 19 m

Isc Short circuit current VI= 35V, TJ= 25C 0.55 A

Iscp Short circuit peak current TJ= 25C 2.2 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 14. Electrical characteristics of L7808C (refer to the test circuits, TJ= -55 to 150C, VI = 14V,IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 7.7 8 8.3 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 10.5 to 25V

7.6 8 8.4 V

VO(1) Line regulation

VI= 10.5 to 25V, TJ= 25C 160mV

VI= 11 to 17V, TJ= 25C 80

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 160mV

IO= 250 to 750mA, TJ= 25C 80

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 10.5 to 25V 1

VO/T Output voltage drift IO= 5mA -0.8 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 52 V/VO

SVR Supply voltage rejection VI= 11.5 to 21.5V, f = 120Hz 56 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 16 m

Isc Short circuit current VI= 35V, TJ= 25C 0.45 A

Iscp Short circuit peak current TJ= 25C 2.2 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 15. Electrical characteristics of L7885C (refer to the test circuits, TJ= -55 to 150C, VI =14.5V, IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 8.2 8.5 8.8 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 11 to 26V

8.1 8.5 8.9 V

VO(1) Line regulation

VI= 11 to 27V, TJ= 25C 160mV

VI= 11.5 to 17.5V, TJ= 25C 80

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 160mV

IO= 250 to 750mA, TJ= 25C 80

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 11 to 27V 1

VO/T Output voltage drift IO= 5mA -0.8 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 55 V/VO

SVR Supply voltage rejection VI= 12 to 22V, f = 120Hz 56 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 16 m

Isc Short circuit current VI= 35V, TJ= 25C 0.45 A

Iscp Short circuit peak current TJ= 25C 2.2 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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L7800 series Electrical characteristics

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Table 16. Electrical characteristics of L7809C (refer to the test circuits, TJ= -55 to 150C, VI = 15V,IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 8.64 9 9.36 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 11.5 to 26V

8.55 9 9.45 V

VO(1) Line regulation

VI= 11.5 to 26V, TJ= 25C 180mV

VI= 12 to 18V, TJ= 25C 90

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 180mV

IO= 250 to 750mA, TJ= 25C 90

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 11.5 to 26V 1

VO/T Output voltage drift IO= 5mA -1 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 70 V/VO

SVR Supply voltage rejection VI= 12 to 23V, f = 120Hz 55 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 17 m

Isc Short circuit current VI= 35V, TJ= 25C 0.40 A

Iscp Short circuit peak current TJ= 25C 2.2 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Electrical characteristics L7800 series

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Table 17. Electrical characteristics of L7810C (refer to the test circuits, TJ= -55 to 150C, VI = 15V,IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 9.6 10 10.4 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 12.5 to 26V

9.5 10 10.5 V

VO(1) Line regulation

VI= 12.5 to 26V, TJ= 25C 200mV

VI= 13.5 to 19V, TJ= 25C 100

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 200mV

IO= 250 to 750mA, TJ= 25C 100

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 12.5 to 26V 1

VO/T Output voltage drift IO= 5mA -1 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 70 V/VO

SVR Supply voltage rejection VI= 13 to 23V, f = 120Hz 55 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 17 m

Isc Short circuit current VI= 35V, TJ= 25C 0.40 A

Iscp Short circuit peak current TJ= 25C 2.2 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 19. Electrical characteristics of L7815C (refer to the test circuits, TJ= -55 to 150C, VI = 23V,IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 14.5 15 15.6 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 17.5 to 30V

14.25 15 15.75 V

VO(1) Line regulation

VI= 17.5 to 30V, TJ= 25C 300mV

VI= 20 to 26V, TJ= 25C 150

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 300mV

IO= 250 to 750mA, TJ= 25C 150

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 17.5 to 30V 1

VO/T Output voltage drift IO= 5mA -1 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 90 V/VO

SVR Supply voltage rejection VI= 18.5 to 28.5V, f = 120Hz 54 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 19 m

Isc Short circuit current VI= 35V, TJ= 25C 0.23 A

Iscp Short circuit peak current TJ= 25C 2.2 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 20. Electrical characteristics of L7818C (refer to the test circuits, TJ= -55 to 150C, VI = 26V,IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 17.3 18 18.7 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 21 to 33V

17.1 18 18.9 V

VO(1) Line regulation

VI= 21 to 33V, TJ= 25C 360mV

VI= 24 to 30V, TJ= 25C 180

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 360mV

IO= 250 to 750mA, TJ= 25C 180

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 21 to 33V 1

VO/T Output voltage drift IO= 5mA -1 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 110 V/VO

SVR Supply voltage rejection VI= 22 to 32V, f = 120Hz 53 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 22 m

Isc Short circuit current VI= 35V, TJ= 25C 0.20 A

Iscp Short circuit peak current TJ= 25C 2.1 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Electrical characteristics L7800 series

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Table 21. Electrical characteristics of L7820C (refer to the test circuits, TJ= -55 to 150C, VI = 28V,IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 19.2 20 20.8 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 23 to 35V

19 20 21 V

VO(1) Line regulation

VI= 22.5 to 35V, TJ= 25C 400mV

VI= 26 to 32V, TJ= 25C 200

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 400mV

IO= 250 to 750mA, TJ= 25C 200

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current change

IO= 5mA to 1A 0.5

mAVI= 23 to 35V 1

VO/T Output voltage drift IO= 5mA -1 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 150 V/VO

SVR Supply voltage rejection VI= 24 to 35V, f = 120Hz 52 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 24 m

Isc Short circuit current VI= 35V, TJ= 25C 0.18 A

Iscp Short circuit peak current TJ= 25C 2.1 A

1. Load and line regulation are specified at constant junction temperature. Changes in VO

due to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Table 22. Electrical characteristics of L7824C (refer to the test circuits, TJ= -55 to 150C, VI = 33V,IO= 500 mA, CI= 0.33 F, CO= 0.1 F unless otherwise specified)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VO Output voltage TJ= 25C 23 24 25 V

VO Output voltageIO= 5mA to 1A, PO15WVI= 27 to 38V

22.8 24 25.2 V

VO(1) Line regulation

VI= 27 to 38V, TJ= 25C 480mV

VI= 30 to 36V, TJ= 25C 240

VO(1) Load regulation

IO= 5 mA to 1.5A, TJ= 25C 480mV

IO= 250 to 750mA, TJ= 25C 240

Id Quiescent current TJ= 25C 8 mA

Id Quiescent current changeIO= 5mA to 1A 0.5

mAV

I= 27 to 38V 1

VO/T Output voltage drift IO= 5mA -1.5 mV/C

eN Output noise voltage B =10Hz to 100KHz, TJ= 25C 170 V/VO

SVR Supply voltage rejection VI= 28 to 38V, f = 120Hz 50 dB

Vd Dropout voltage IO= 1A, TJ= 25C 2 V

RO Output resistance f = 1 KHz 28 m

Isc Short circuit current VI= 35V, TJ= 25C 0.15 A

Iscp Short circuit peak current TJ= 25C 2.1 A

1. Load and line regulation are specified at constant junction temperature. Changes in VOdue to heating effects must betaken into account separately. Pulse testing with low duty cycle is used.

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Typical performance L7800 series

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5 Typical performance

Figure 7. Dropout voltage vs junction

temperature

Figure 8. Peak output current vs input/output

differential voltage

Figure 9. Supply voltage rejection vsfrequency

Figure 10. Output voltage vs junctiontemperature

Figure 11. Output impedance vs frequency

Figure 12. Quiescent current vs junctiontemperature

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L7800 series Typical performance

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1. To specify an output voltage, substitute voltage value for "XX".

2. Although no output capacitor is need for stability, it does improve transient response.

3. Required if regulator is locate an appreciable distance from power supply filter.

Figure 13. Load transient response

Figure 14. Line transient response

Figure 15. Quiescent current vs input voltage

Figure 16. Fixed output regulator

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Typical performance L7800 series

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Figure 17. Current regulator

IO = VXX/R1+Id

Figure 18. Circuit for increasing output voltage

IR15 Id

VO= VXX(1+R2/R1)+IdR2

Figure 19. Adjustable output regulator (7 to 30V)

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L7800 series Typical performance

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Figure 20. 0.5 to 10V Regulator

VO=VXXR4/R1

Figure 21. High current voltage regulator

IO= IREG+ Q1(IREG______)VBEQ1

R1

R1= ______________VBEQ1

IREQ-(IQ1/Q1)

Figure 22. High output current with short circuit protection

RSC=VBEQ2/ISC

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Typical performance L7800 series

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* Against potential latch-up problems.

Figure 23. Tracking voltage regulator

Figure 24. Split power supply ( 15V - 1 A)

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L7800 series Typical performance

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Figure 25. Negative output voltage circuit

Figure 26. Switching regulator

Figure 27. High input voltage circuit

VIN= VI- (VZ+ VBE)

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Typical performance L7800 series

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Figure 28. High input voltage circuit

Figure 29. High output voltage regulator

Figure 30. High input and output voltage

VO= VXX+ VZ1

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Typical performance L7800 series

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Note: Q 2is connected as a diode in order to compensate the variation of the Q1VBEwith thetemperature. C allows a slow rise time of the VO.

Figure 34. Adjustable output voltage with temperature compensation

VO= VXX(1+R2/R1) + VBE

Figure 35. Light controllers (VOmin= VXX+ VBE)

VOrises when the light goes upVOfalls when the light goes up

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L7800 series Typical performance

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1. Application with high capacitance loads and an output voltage greater than 6 volts need an external diode(see fig. 32) to protect the device against input short circuit. In this case the input voltage falls rapidly whilethe output voltage decrease slowly. The capacitance discharges by means of the Base-Emitter junction ofthe series pass transistor in the regulator. If the energy is sufficiently high, the transistor may be destroyed.The external diode by-passes the current from the IC to ground.

Figure 36. Protection against input short-circuit with high capacitance loads

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Package mechanical data L7800 series

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6 Package mechanical data

In order to meet environmental requirements, ST offers these devices in ECOPACK

packages. These packages have a Lead-free second level interconnect. The category ofsecond Level Interconnect is marked on the package and on the inner box label, incompliance with JEDEC Standard JESD97. The maximum ratings related to solderingconditions are also marked on the inner box label. ECOPACK is an ST trademark.ECOPACK specifications are available at: www.st.com.

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L7800 series Package mechanical data

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DIM. mm. inchMIN. TYP MAX. MIN. TYP. MAX.

A 11.85 0.466

B 0.96 1.05 1.10 0.037 0.041 0.043

C 1.70 0.066

D 8.7 0.342

E 20.0 0.787

G 10.9 0.429

N 16.9 0.665

P 26.2 1.031

R 3.88 4.09 0.152 0.161

U 39.5 1.555

V 30.10 1.185

TO-3 MECHANICAL DATA

P003C/C

E

B

R

C

DAP

G

N

VU

O

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L7800 series Package mechanical data

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DIM. mm. inchMIN. TYP MAX. MIN. TYP. MAX.

A 4.30 4.70 0.169 0.185

b 0.70 0.90 0.028 0.035

b1 1.42 1.62 0.056 0.064

c 0.45 0.60 0.018 0.024

D 15.70 0.618

E 9.80 10.20 0.386 0.402

e 2.54 0.100

e1 5.08 0.200

F 1.25 1.39 0.049 0.055

H1 6.5 0.256

J1 2.20 2.60 0.087 0.202

L 12.88 13.28 0.507 0.523

L1 3 0.118

L20 15.70 16.1 0.618 0.634

L30 28.9 1.138

P 3.50 3.70 0.138 0.146

Q 2.70 2.90 0.106 0.114

TO-220 (C TYPE) MECHANICAL DATA

0015988/N

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L7800 series Package mechanical data

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DIM.mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 4.3 4.7 0.169 0.185

A1 0 0.20 0.000 0.008

b 0.70 0.90 0.028 0.035

b2 1.17 1.37 0.046 0.054

c 0.45 0.50 0.6 0.018 0.020 0.024

c2 1.25 1.30 1.40 0.049 0.051 0.055

D 9.0 9.2 9.4 0.354 0.362 0.370

D1 7.5 0.295

E 9.8 10.2 0.386 0.402

E1 7.5 0.295

e 2.54 0.100

e1 5.08 0.200

H 15 15.30 15.60 0.591 0.602 0.614

J1 2.20 2.60 0.087 0.102

L 1.79 2.79 0.070 0.110

L1 1.0 1.4 0.039 0.055

L2 1.2 1.6 0.047 0.063

R 0.3 0.012

V2 0 3 0 3

D2PAK (C TYPE) MECHANICAL DATA

0079457/J

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Package mechanical data L7800 series

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DIM.mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 180 7.086

C 12.8 13.0 13.2 0.504 0.512 0.519

D 20.2 0.795

N 60 2.362

T 14.4 0.567

Ao 10.50 10.6 10.70 0.413 0.417 0.421

Bo 15.70 15.80 15.90 0.618 0.622 0.626

Ko 4.80 4.90 5.00 0.189 0.193 0.197

Po 3.9 4.0 4.1 0.153 0.157 0.161

P 11.9 12.0 12.1 0.468 0.472 0.476

Tape & Reel D2PAK-P2PAK-D2PAK/A-P2PAK/A MECHANICAL DATA

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L7800 series Order code

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7 Order code

Table 23. Order code

Part

numbers

Packaging

TO-220

(A Type)

TO-220

(C Type)

D2PAK

(A Type)

D2PAK

(C Type)TO-220FP TO-3

L7805 L7805T

L7805C L7805CV L7805C-V L7805CD2T-TR L7805C-D2TR L7805CP L7805CT

L7852C L7852CV L7852CD2T-TR(1) L7852CP(1) L7852CT(1)

L7806C L7806CV L7806C-V L7806CD2T-TR L7806CP L7806CT

L7808C L7808CV L7808C-V L7808CD2T-TR L7808CP L7808CT

L7885C L7885CV L7885CD2T-TR(1) L7885CP(1) L7885CT(1)

L7809C L7809CV L7809C-V L7809CD2T-TR L7809CP L7809CT

L7810C L7810CV L7810CD2T-TR(1)

1. Available on request.

L7810CP

L7812C L7812CV L7812C-V L7812CD2T-TR L7812CP L7812CT

L7815C L7815CV L7815C-V L7815CD2T-TR L7815CP L7815CT

L7818C L7818CV L7818CD2T-TR(1) L7818CP L7818CT

L7820C L7820CV L7820CD2T-TR(1) L7820CP(1) L7820CT(1)

L7824C L7824CV L7824CD2T-TR L7824CP L7824CT

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Revision history L7800 series

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8 Revision history

Table 24. Revision history

Date Revision Changes

21-Jun-2004 12 Document updating.

03-Aug-2006 13 Order Codes has been updated and new template.

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